/**
@author		Jong Min, Lee
@date		  10/01/2014
@breif		study set information 

copyright(c) Tae Young Soft. All right reserved. 2014
*/
#pragma once

//forward declarations
class IStudyInfo;

/**
@brief		interface class for study set information
*/
class IStudySetInfo
{
public:
  /**
  @brief		get the number of study information
  @return		the number of study information
  */
  virtual int getNumStudyInfo() const = 0;

  /**
  @brief		access a study information 
  @param		index the index number of study information to be accessed
  @return		pointer to study information if found, NULL if not
  */
  virtual IStudyInfo* getStudyInfo(const int index) const = 0;
};